釋氏稽古略 4.413

4.413

The xinwei year, the seventh year of Xianchun [1271], the third month. The Huaixi Pacification Commission reported that the siege of Xiangyang had not been lifted, begging for troops to be dispatched to reinforce the garrison. The Tatar State established its dynastic name as the Great Yuan, taking the meaning of "the creative origin" (qian yuan) from the Book of Changes to illustrate the virtue that serves as the beginning of all things (Xu Song tongjian).